Listen to Main Aaj Bahut Khush Hoon online. Main Aaj Bahut Khush Hoon is a Hindi language song and is sung by Laxmikant - Pyarelal, Suresh Wadkar, Kavita Krishnamurthy and S.P. Balasubrahmanyam. Main Aaj Bahut Khush Hoon, from the album Sansar, was released in the year 1987. The duration of the song is 4:54. Download Hindi songs online from JioSaavn.